LED lamp with heat dissipation function

Abstract

The LED lamp with the heat dissipation function comprises a lamp holder, an outer threaded pipe is formed on the lower end face of the lamp holder, upper ventilation holes are formed in the pipe wall of the outer threaded pipe, a shell is connected to the lower portion of the outer threaded pipe, an inner threaded pipe is formed on the upper end face of the shell, and the inner threaded pipe is connected to the lower portion of the outer threaded pipe. The pipe wall of the inner threaded pipe is provided with lower ventilation holes which correspond to the upper ventilation holes in position and are the same as the upper ventilation holes in specification, the inner threaded pipe is sleeved with a dustproof frame, a dustproof net is laid on the dustproof frame, cooling fins extending into the through grooves are designed, and the upper ventilation holes in the outer threaded pipe and the lower ventilation holes in the inner threaded pipe are communicated with the dustproof frame. The heat dissipation effect is improved in the mode that conduction heat dissipation and air flow heat dissipation are combined, the dustproof frame is arranged on the inner threaded pipe in a sleeving mode and can be connected with the inner threaded pipe in a screwed mode, so that the device is provided with a dustproof structure, dust is intercepted and prevented from entering the lamp body, heating of the lamp body is aggravated, and the influence on the service life of the LED lamp is weakened; and the device is convenient to disassemble and clean.

Description

Technical Field

[0001] The utility model relates to the field of LED lamps with heat dissipation function, in particular to an LED lamp with heat dissipation function. Background Art

[0002] LED lamps are light-emitting diodes, which are semiconductor light-emitting materials. When a forward voltage is applied to both ends, the carriers in the semiconductor recombine, causing photon emission to produce light. LED lamps have the advantages of energy saving, environmental protection, and long service life. If the heat dissipation of LED lamps is not good during use, the life of the lamp will be greatly shortened. Pay attention to heat dissipation.

[0003] For example, a new type of LED lamp with efficient heat dissipation function disclosed in the utility model with authorization announcement number CN216813937U includes a base disc, a cylindrical lampshade and a heat dissipation top cover: a connection groove is provided on the top of the base disc, and an insulating lampshade is fixedly connected to the bottom of the base disc, and an LED lamp bead body is fixedly installed on the bottom of the base disc. The base disc and the heat dissipation top cover are respectively provided with connection grooves and vents, which facilitate the exchange of hot air inside the cylindrical lampshade with fresh air from the outside and enhance the heat dissipation effect. The setting of the connection grooves and vents on the device enhances the control exchange capacity, but the air is not filtered during the air exchange, which will cause dust to enter the cylindrical lampshade, causing dust to adhere to the circuit substrate and the vents, causing the device to heat up seriously, and the heat dissipation function is weakened, affecting the service life of the LED lamp, and the device is not easy to clean dust. Utility Model Content

[0004] In order to overcome the deficiencies of the prior art, the utility model provides an LED lamp with a heat dissipation function, by designing a heat sink extending into a groove, an upper ventilation hole on an externally threaded tube and a lower ventilation hole on an internally threaded tube, and utilizing a combination of conduction heat dissipation and air flow heat dissipation to improve the heat dissipation effect, wherein a dustproof frame is provided on the internally threaded tube and can be screwed to the internally threaded tube so that the device has a dustproof structure, which is convenient for intercepting dust and preventing dust from entering the interior of the lamp body, aggravating the heating of the lamp body, and reducing the impact on the service life of the LED lamp, and the device is easy to disassemble and clean.

[0005] In order to solve the above technical problems, the utility model provides the following technical solutions: an LED lamp with heat dissipation function, comprising a lamp holder, an external threaded tube is formed on the lower end surface of the lamp holder, an upper ventilation hole is opened on the wall of the external threaded tube, an outer shell is connected to the lower part of the external threaded tube, an internal threaded tube is formed on the upper end surface of the outer shell, lower ventilation holes corresponding to the position of the upper ventilation holes and with the same specifications as the upper ventilation holes are opened on the wall of the internal threaded tube, a dustproof frame is sleeved on the internal threaded tube, and a dustproof net is laid on the dustproof frame.

[0006] As a preferred technical solution of the utility model, the internal threaded tube can be screwed to the external threaded tube and the internal threaded tube is sleeved on the outside of the external threaded tube. After the internal threaded tube is connected to the external threaded tube, the upper ventilation hole corresponds to the lower ventilation hole.

[0007] As a preferred technical solution of the utility model, a rotary joint is formed above the lamp holder.

[0008] As a preferred technical solution of the utility model, a plurality of through grooves are provided on the side wall of the lamp holder.

[0009] As a preferred technical solution of the utility model, a heat sink is provided inside the lamp holder, and the heat sink extends into the groove to contact with the outside air.

[0010] As a preferred technical solution of the utility model, a circuit substrate is arranged inside the lamp holder, a plurality of lamp beads are mounted on the lower surface of the circuit substrate, and the circuit substrate is electrically connected to the upper rotary joint.

[0011] Compared with the prior art, the utility model can achieve the following beneficial effects:

[0012] By designing a heat sink extending into the groove, upper ventilation holes on the external threaded tube and lower ventilation holes on the internal threaded tube, the heat dissipation effect is improved by combining conduction heat dissipation and air flow heat dissipation. A dustproof frame is provided on the internal threaded tube and can be screwed to the internal threaded tube, so that the device has a dustproof structure, which is convenient for intercepting dust and preventing dust from entering the interior of the lamp body, aggravating the heating of the lamp body, and reducing the impact on the service life of the LED lamp. The device is easy to disassemble and clean. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the main view structure of the utility model;

[0015] Figure 3 This is a schematic diagram of the internal structure of the lamp holder of the utility model;

[0016] Figure 4 This is a schematic diagram of the structure of the dustproof frame of the utility model;

[0017] Among them: 1. lamp holder; 2. rotary joint; 3. through slot; 4. heat sink; 5. circuit board; 6. lamp bead; 7. external threaded tube; 8. upper ventilation hole; 9. dustproof frame; 10. outer shell; 11. internal threaded tube; 12. lower ventilation hole; 13. dustproof net. DETAILED DESCRIPTION

[0018] In order to make the technical means, creative features, objectives and effects of the present invention easy to understand, the present invention is further described below in conjunction with specific embodiments, but the following embodiments are only preferred embodiments of the present invention, not all. Based on the embodiments in the implementation mode, other embodiments obtained by those skilled in the art without creative work are all within the protection scope of the present invention.

[0019] Example

[0020] Please refer to Figure 1 - Figure 3 As shown, the utility model provides an LED lamp with heat dissipation function, including a lamp holder 1, a rotary joint 2 is formed above the lamp holder 1, a plurality of through slots 3 are opened on the side wall of the lamp holder 1, a heat sink 4 is arranged inside the lamp holder 1, the heat sink 4 extends into the through slots 3 and contacts with the outside air, a circuit substrate 5 is arranged inside the lamp holder 1, a plurality of lamp beads 6 are installed on the lower surface of the circuit substrate 5, and the circuit substrate 5 is electrically connected to the upper rotary joint 2. When the device is used, the rotary joint 2 is rotated to connect it to the power supply base. When the switch is turned on, the lamp beads 6 emit light, generate heat, and conduct it outward through the heat sink 4;

[0021] like Figure 1 - Figure 4 As shown, an external threaded tube 7 is formed on the lower end surface of the lamp holder 1, an upper ventilation hole 8 is opened on the tube wall of the external threaded tube 7, a shell 10 is connected below the external threaded tube 7, an internal threaded tube 11 is formed on the upper end surface of the shell 10, a lower ventilation hole 12 corresponding to the position of the upper ventilation hole 8 and having the same specification as the upper ventilation hole 8 is opened on the tube wall of the internal threaded tube 11, a dustproof frame 9 is sleeved on the internal threaded tube 11, a dustproof net 13 is laid on the dustproof frame 9, the internal threaded tube 11 can be screwed with the external threaded tube 7 and the internal threaded tube 11 is sleeved on the outside of the external threaded tube 7, and the internal threaded tube 11 can be connected to the external threaded tube 7 so that the upper ventilation hole 8 corresponds to the position of the lower ventilation hole 12;

[0022] When installing the dustproof frame 9, rotate the internal threaded tube 11 to separate the internal threaded tube 11 from the external threaded tube 7, put the dustproof frame 9 on the internal threaded tube 11, and then rotate the internal threaded tube 11 and the external threaded tube 7 to connect. During the use of the device, hot air flows outward through the dustproof frame 9 and the dustproof net 13, and the external air enters the interior of the lamp body. After being intercepted by the dustproof net 13, the dust remains on the outside and cannot enter the lamp body.

[0023] Specific working principle:

[0024] When using the device, the rotary joint 2 is rotated to connect it to the power supply base. When the switch is turned on, the lamp beads 6 emit light and generate heat, which is conducted outward through the heat sink 4. The hot air flows outward through the dustproof frame 9 and the dustproof net 13. The external air enters the interior of the lamp body. After being intercepted by the dustproof net 13, the dust remains on the outside and cannot enter the lamp body. When cleaning, the steps can be reversed to those when installing the dustproof frame 9.

[0025] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. An LED lamp with heat dissipation function, comprising a lamp holder (1), characterized in that: The lower end surface of the lamp holder (1) is formed with an externally threaded tube (7), an upper ventilation hole (8) is provided on the tube wall of the externally threaded tube (7), a housing (10) is connected below the externally threaded tube (7), an internally threaded tube (11) is formed on the upper end surface of the housing (10), a lower ventilation hole (12) corresponding to the position of the upper ventilation hole (8) and having the same specification as the upper ventilation hole (8) is provided on the tube wall of the internally threaded tube (11), a dustproof frame (9) is sleeved on the internally threaded tube (11), and a dustproof net (13) is laid on the dustproof frame (9).

2. The LED lamp with heat dissipation function according to claim 1, characterized in that: The internally threaded tube (11) can be screwed to the externally threaded tube (7) and the internally threaded tube (11) is sleeved on the outside of the externally threaded tube (7). After the internally threaded tube (11) is connected to the externally threaded tube (7), the upper ventilation hole (8) and the lower ventilation hole (12) are located correspondingly.

3. The LED lamp with heat dissipation function according to claim 1, characterized in that: A rotary joint (2) is formed above the lamp holder (1).

4. The LED lamp with heat dissipation function according to claim 1, characterized in that: A plurality of through slots (3) are provided on the side wall of the lamp holder (1).

5. The LED lamp with heat dissipation function according to claim 1, characterized in that: A heat sink (4) is provided inside the lamp holder (1), and the heat sink (4) extends into the groove (3) to contact with the outside air.

6. The LED lamp with heat dissipation function according to claim 1, characterized in that: A circuit substrate (5) is arranged inside the lamp holder (1), a plurality of lamp beads (6) are mounted on the lower surface of the circuit substrate (5), and the circuit substrate (5) is electrically connected to the upper rotary joint (2).

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